Samsung has rolled December security patch for Galaxy A7(2017), Update brings fixes for 11 critical vulnerabilities that were discovered in the Android operating system and additionally it also brings fixes for 10 vulnerabilities discovered in Samsung’s own software. The update does not bring any new features.
Update brings the build version as A720FXXU2BQL9 for the Galaxy A7 (2017) in Mexico. Rest of the regions also brings the software update to all variants across the globe. To check for the update manually head to settings -> Software update-> Download updates manually.